Wheel braking device

Abstract

The invention relates to a device for braking a wheel, the device comprising:a brake including at least a first actuator and a second actuator arranged to apply a braking torque to the wheel;a control system arranged to control the first and second actuators individually as a function of a required braking value; andat least a first breaking torque sensor arranged to supply the control unit with a first measurement of the braking torque applied to the wheel by the brake.According to the invention, the control system is arranged to interrupt control of the first actuator or control of the second actuator in the event of the braking torque measured by the first sensor exceeding a predetermined braking torque limit.

The invention claimed is: 
     
       1. A braking device for braking a wheel, the braking device comprising:
 a brake including at least a first actuator and a second actuator arranged to apply a braking torque to the wheel; 
 a control system arranged to control the first and second actuators individually as a function of a braking value; and 
 a first torque sensor arranged to supply the control system with a first measurement representative of the braking torque applied to the wheel by the brake, 
 wherein the control system is configured to interrupt control of the first actuator or control of the second actuator in the event of the first measurement exceeding a braking torque limit. 
 
     
     
       2. The braking device according to  claim 1 , wherein the control system comprises an electronic control unit configured to deliver a first control signal to the first actuator and a second control signal to the second actuator, and an electronic monitoring unit configured to prevent the first control signal or the second control signal from being delivered when the first measurement exceeds the braking torque limit. 
     
     
       3. The braking device according to  claim 1 , wherein the control system comprises a first individual electronic control unit configured to deliver a first control signal to the first actuator and a second individual electronic control unit arranged to deliver a second control signal to the second actuator. 
     
     
       4. The braking device according to  claim 1 , wherein the control system includes a servo control loop that controls the first actuator and the second actuator in application of a control relationship that is a function both of the braking value and also of the first measurement. 
     
     
       5. The braking device according to  claim 1 , wherein the braking value is representative of an amplitude of a movement of a braking control instrument. 
     
     
       6. The braking device according to  claim 1 , wherein the first actuator and the second actuator are electromechanical. 
     
     
       7. The braking device according to  claim 1 , wherein the first actuator and the second actuator are hydraulic actuators. 
     
     
       8. The braking device according to  claim 1 , including a second torque sensor configured to supply the control system with a second measurement of the braking torque applied by the brake to the wheel. 
     
     
       9. The braking device according to  claim 8 , wherein the first torque sensor and the second torque sensor are of different technologies. 
     
     
       10. A landing gear including at least one wheel provided with a braking device according to  claim 1 . 
     
     
       11. An aircraft including a landing gear according to  claim 10 . 
     
     
       12. A braking device for braking a wheel, the braking device comprising:
 a brake including at least a first actuator and a second actuator arranged to apply a braking torque to the wheel; 
 a control system arranged to control the first and second actuators individually as a function of a required braking value; and 
 at least a first torque sensor arranged to supply the control system with a first measurement representative of the braking torque applied to the wheel by the brake, 
 wherein the control system interrupts control of the first actuator or control of the second actuator in the event of the first measurement exceeding a predetermined braking torque limit. 
 
     
     
       13. A method for braking a wheel equipped with a braking device comprising:
 a brake including at least a first actuator and a second actuator arranged to apply a braking torque to the wheel; 
 a control system arranged to control the first and second actuators individually as a function of a required braking value; and 
 at least a first torque sensor arranged to supply the control system with a first measurement representative of the braking torque applied to the wheel by the brake; 
 the method comprising interrupting control of the first actuator or control of the second actuator by the control system in the event of the first measurement exceeding a predetermined braking torque limit.